Plate 1 figs. a–h · 8 separate observations
Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.
Native range 38 botanical countries
| Region | TDWG code | Continent |
|---|---|---|
| Austria | AUT | EUROPE |
| Baltic States | BLT | |
| Belarus | BLR | |
| Belgium | BGM | |
| Bulgaria | BUL | |
| Central European Russia | RUC | |
| Czechia-Slovakia | CZE | |
| Denmark | DEN | |
| East European Russia | RUE | |
| Finland | FIN | |
| France | FRA | |
| Germany | GER | |
| Great Britain | GRB | |
| Greece | GRC | |
| Hungary | HUN | |
| Ireland | IRE | |
| Italy | ITA | |
| Netherlands | NET | |
| North European Russia | RUN | |
| Norway | NOR | |
| NW. Balkan Pen. | YUG | |
| Poland | POL | |
| Portugal | POR | |
| Romania | ROM | |
| Sardegna | SAR | |
| South European Russia | RUS | |
| Sweden | SWE | |
| Switzerland | SWI | |
| Türkiye-in-Europe | TUE | |
| Ukraine | UKR | |
| Altay | ALT | ASIA-TEMPERATE |
| Krasnoyarsk | KRA | |
| North Caucasus | NCS | |
| Transcaucasus | TCS | |
| Türkiye | TUR | |
| Tuva | TVA | |
| West Siberia | WSB | |
| Yakutiya | YAK |
Not drawn on the map: Great Britain. We hold no public-domain boundary for this region, so it is listed rather than guessed at.
Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.
Flowering 296 in flower of 428 examined
Peak flowering in Jul. Each bar is the share of Sagittaria sagittifolia observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 296 of 428 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 6 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.
Also published as 33 synonyms
A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.
- Alisma sagittaria Stokes
- Sagitta aquatica Pline St.Lager
- Sagitta major Scop.
- Sagitta palustris Bubani
- Sagittaria acuminata Sm.
- Sagittaria aquatica Lam.
- Sagittaria aquatica var. minor Gray
- Sagittaria bulbosa (Poir.) Donn
- Sagittaria gigantea hort. ex E.Vilm.
- Sagittaria heterophylla Schreb.
- Sagittaria lancifolia hort. ex E.Vilm.
- Sagittaria minor Mill.
- Sagittaria monoeca Gilib.
- Sagittaria sagittifolia f. obtusa Bolle
- Sagittaria sagittifolia f. vallisneriifolia (Coss. & Germ.) Neuman
- Sagittaria sagittifolia f. xanthandra Holmb.
- Sagittaria sagittifolia subvar. butomoides Asch. & Graebn.
- Sagittaria sagittifolia subvar. pumila Asch. & Graebn.
- Sagittaria sagittifolia var. aequiloba Schur
- Sagittaria sagittifolia var. angustata Tinant
- Sagittaria sagittifolia var. angustifolia Gaudin
- Sagittaria sagittifolia var. angustissima Boreau
- Sagittaria sagittifolia var. arifolia Rouy
- Sagittaria sagittifolia var. bollei Asch. & Graebn.
and 9 more.
Sourcesevery claim on this page
- World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
- iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
- Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
- Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.
We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.